/// <summary>
/// The OpenXR plug-in uses extensions to expose all possible data, which might be surfaced through multiple input devices.
/// This method is overridden to account for multiple input devices.
/// </summary>
/// <param name="inputDevice">The current input device to grab data from.</param>
public override void UpdateController(InputDevice inputDevice)
{
if (!Enabled)
{
return;
}
if (Interactions == null)
{
Debug.LogError($"No interaction configuration for {GetType().Name}");
Enabled = false;
}
using (UpdateControllerPerfMarker.Auto())
{
if (inputDevice.TryGetFeatureValue(CommonUsages.devicePosition, out Vector3 _))
{
base.UpdateController(inputDevice);
// We've gotten device data from the platform, don't attempt to infer other input actions
// from the hand joint data
receivingDeviceInputs = true;
}
else
{
UpdateHandData(inputDevice);
// Updating the Index finger pose right after getting the hand data
// regardless of whether device data is present
for (int i = 0; i < Interactions?.Length; i++)
{
var interactionMapping = Interactions[i];
switch (interactionMapping.InputType)
{
case DeviceInputType.IndexFinger:
handDefinition?.UpdateCurrentIndexPose(interactionMapping);
break;
}
}
// If we aren't getting device data, infer input actions, velocity, etc from hand joint data
if (!receivingDeviceInputs)
{
for (int i = 0; i < Interactions?.Length; i++)
{
var interactionMapping = Interactions[i];
switch (interactionMapping.InputType)
{
case DeviceInputType.SpatialGrip:
if (TryGetJoint(TrackedHandJoint.Palm, out MixedRealityPose currentGripPose))
{
interactionMapping.PoseData = currentGripPose;
if (interactionMapping.Changed)
{
CoreServices.InputSystem?.RaisePoseInputChanged(InputSource, ControllerHandedness, interactionMapping.MixedRealityInputAction, currentGripPose);
// Spatial Grip is also used as the basis for the source pose when device data is not provided
// We need to rotate it by an offset to properly represent the source pose.
MixedRealityPose CurrentControllerPose = currentGripPose;
CurrentControllerPose.Rotation *= (ControllerHandedness == Handedness.Left ? leftPalmOffset : rightPalmOffset);
CoreServices.InputSystem?.RaiseSourcePoseChanged(InputSource, this, CurrentControllerPose);
IsPositionAvailable = IsRotationAvailable = true;
}
}
break;
case DeviceInputType.Select:
case DeviceInputType.TriggerPress:
case DeviceInputType.GripPress:
interactionMapping.BoolData = IsPinching || IsGrabbing;
if (interactionMapping.Changed)
{
if (interactionMapping.BoolData)
{
CoreServices.InputSystem?.RaiseOnInputDown(InputSource, ControllerHandedness, interactionMapping.MixedRealityInputAction);
}
else
{
CoreServices.InputSystem?.RaiseOnInputUp(InputSource, ControllerHandedness, interactionMapping.MixedRealityInputAction);
}
}
break;
case DeviceInputType.SpatialPointer:
handDefinition?.UpdatePointerPose(interactionMapping);
break;
// Gotta do this only for non-AR devices
case DeviceInputType.ThumbStick:
handDefinition?.UpdateCurrentTeleportPose(interactionMapping);
break;
}
}
// Update the controller velocity based on the hand definition's calculations
handDefinition?.UpdateVelocity();
Velocity = (handDefinition?.Velocity).Value;
AngularVelocity = (handDefinition?.AngularVelocity).Value;
}
}
}
}
